________ learning involves the recognition of particular stimuli or categories of stimuli

Which of the following are characteristics of REM sleep?

flickering of the open eyes and rapid brain waves flickering of the closed eyes and rapid brain waves flickering of the open eyes and slow, steady brain waves flickering of the closed eyes and slow, steady brain waves

The practice of withdrawing an attractive offer once it has been agreed to is called the

__________ technique. a. door-in-the-face b. low-balling c. foot-in-the-door d. norm of reciprocity e. high-balling